(under subclass 226) Method or apparatus wherein the presence of the abrupt enlargement or thickened portion directs the thread along the length of an elongated, narrow passage formed by the exterior boundaries of an element or elements to a clamping or cutting zone for effecting parting of the
thread.
SEE OR SEARCH CLASS
57, Textiles: Spinning, Twisting, and Twining,
353, for guiding devices provided with means to catch and hold strands to prevent entangling when they leave the normal path of travel or become broken, kinked, or knotted, during the twisting operation.